CN107906947A - The grid wall gas-supplying structure and air supply method of a kind of vertical waste-heat recovery device - Google Patents
The grid wall gas-supplying structure and air supply method of a kind of vertical waste-heat recovery device Download PDFInfo
- Publication number
- CN107906947A CN107906947A CN201711348693.3A CN201711348693A CN107906947A CN 107906947 A CN107906947 A CN 107906947A CN 201711348693 A CN201711348693 A CN 201711348693A CN 107906947 A CN107906947 A CN 107906947A
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- China
- Prior art keywords
- air supply
- type air
- grid wall
- cone bucket
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 239000002918 waste heat Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 3
- 239000000571 coke Substances 0.000 description 16
- 238000010791 quenching Methods 0.000 description 11
- 230000000171 quenching effect Effects 0.000 description 11
- 238000001816 cooling Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/22—Arrangements of heat-exchange apparatus
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/02—Dry cooling outside the oven
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The present invention relates to the grid wall gas-supplying structure and air supply method of a kind of vertical waste-heat recovery device, the grid wall gas-supplying structure includes shaft furnace housing, cone bucket, air supply chamber, linear type air passage, ring-type air supply duct and supply grid wall, the cone bucket is the same as the bottom for being located in shaft furnace housing, shaft furnace housing surrounds the air supply chamber to form closing with cone bucket, and air supply chamber opens up air inlet in shaft furnace housing side；Linear type air passage is horizontally placed on cone bucket top and runs through cone bucket along cone bucket central cross；Ring-type air supply duct is set in the same plane with linear type air passage, and ring-type air supply duct center is overlapped with cone bucket center；Ring-type air supply duct is interconnected with linear type air passage in infall；The underface in linear type air passage and ring-type air supply duct in cone bucket sets supply grid wall, and the top of supply grid wall is connected with the linear type air passage of corresponding position or ring-type air supply duct.The present invention can improve the uniformity of gas-solid heat exchange and shaft furnace production efficiency in shaft furnace.
Description
Technical field
The present invention relates to the grid wall gas-supplying structure in heat recovery technology field, more particularly to a kind of vertical waste-heat recovery device
And air supply method.
Background technology
Waste heat recovery for high-temperature solid material, shaft furnace are small etc. with its heat exchange efficiency height, waste heat quality height, floor space
Feature becomes the first choice in heat recovery technology field, the dry coke quenching auxiliary in coking field, the waste heat effective utilization system of sinter
Deng all using heat-exchange apparatus of the shaft furnace as its core, wherein shaft furnace in the dry coke quenching production of coking industry using the widest
It is general.
In dry coke quenching auxiliary, the feeder of shaft furnace (also known as coke dry quenching furnace) bottom is installed on to coke descent in shaft furnace
Uniformity and the uniformity of air flow method have a significant impact.If its structure be conducive to coke in stove circumferencial direction it is uniform under
Fall, be conducive to SAPMAC method gas being uniformly distributed in shaft furnace circumferencial direction into shaft furnace, be then advantageously implemented coke in stove
Uniformly cooling, so as to improve the cooling performance of shaft furnace, improves the cooling effectiveness of shaft furnace, when reducing dry in shaft furnace of coke and putting out
Between, reduce the volume of shaft furnace cooling chamber and reduce ton Jiao's gas material ratio, so that the construction for substantially reducing a whole set of dry coke quenching auxiliary is thrown
Money and operating cost.This effect for the dry coke quenching auxiliary that maximizes will be apparent from.
The Chinese patent of Application No. 200710158949.4 (applying date is on December 17th, 2007), discloses " a kind of
Special-purpose gas supplying device for coke dry quenching unit ", the device is by upper cone bucket, lower cone bucket, dry quenching furnace shell, annular passage, cross air passage, central wind
Cap forms, and upper cone bucket, lower cone bucket set are plugged together, and the annular slot that set plug eave is formed forms annular passage, and cross air passage is located at
Lower cone bucket top, is horizontally disposed with, its center overlaps with coke dry quenching furnace center and upwardly extends and be arranged at the central wind on cone bucket top
Cap connects.The device is using by periphery vane ecto-entad air feed and central blast cap, from upper of furnace body, air feed is combined from inside to outside
Air feed form, central blast cap is arranged on above cross air passage.
The Chinese patent of Application No. 201610263740.3 (applying date is on April 26th, 2016) discloses " a kind of dry
Put out coke cooling means in stove multiple duct star feeder and coke dry quenching furnace ", respectively by the air-supply of periphery vane and center blast cap
Inlet air is separated into multiple regions, using star multiple duct form to regional air feed, it can be achieved that optimization and office to each air passage
Portion's supply is adjusted, and is conducive to make coke cooling in coke dry quenching furnace more uniform.
But in above-mentioned supply scheme, center blast cap is arranged at the top in cross air passage, center blast cap occupies shaft furnace
A part of space in the cone bucket of lower part so that the material on cross air passage top is blocked at the blast cap of center, material quilt herein
Compel to turn to, cause whereabouts of the material in shaft furnace uneven, the heat exchange uniformity of material and recyclegas certainly will be influenced.In in addition,
Heart blast cap is located at the center of shaft furnace, and recyclegas is upwardly into center blast cap from cross air passage, runs into quilt after the obstruction of blast cap
Compel to turn back downwards, this process adds the pressure loss of recyclegas, increases the live load of circulating fan, while circulating air
Body concentrates centrally band entrance, the unbalanced of near zone interior air-flow distribution is will also result in, so that it is uniform to influence gas-solid heat exchange
Property, reduce shaft furnace production efficiency.
The content of the invention
The present invention provides the grid wall gas-supplying structure and air supply method of a kind of vertical waste-heat recovery device, it is possible to increase shaft furnace
The uniformity and shaft furnace production efficiency of interior gas-solid heat exchange.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of grid wall gas-supplying structure of vertical waste-heat recovery device, including shaft furnace housing, cone bucket, air supply chamber, linear type wind
Road, ring-type air supply duct and supply grid wall, the cone bucket surround to be formed with the bottom for being located in shaft furnace housing, shaft furnace housing with cone bucket
The air supply chamber of closing, air supply chamber open up air inlet in shaft furnace housing side；Linear type air passage is horizontally placed on cone bucket top and edge
Cone bucket central cross runs through cone bucket；Ring-type air supply duct and linear type air passage are set in the same plane, ring-type air supply duct center with
Cone bucket center overlaps；Ring-type air supply duct is interconnected with linear type air passage in infall；Linear type air passage and ring-type in cone bucket
The underface of air supply duct sets supply grid wall, and the top and the linear type air passage of corresponding position or ring-type air supply duct for supplying grid wall connect
It is logical.
The linear type air passage is multiple, and multiple linear type air passages are evenly distributed in same level, infall phase
It is intercommunicated.
The ring-type air supply duct is one or more, when ring-type air supply duct is multiple, each ring-type air supply duct concentric uniform cloth
Put.
The supply grid wall is made of the perpendicular siding that two row are arranged in parallel, and the bottom of supply grid wall sets level board or wedge shape
Plate, and offer bottom opening on level board or clapboard；Siding is erected along high to several lateral openings are set in both sides, laterally opens
Mouthful top set sloping baffle respectively, the angle of sloping baffle and horizontal plane is more than the angle of repose of material；The sloping baffle on upper strata
The angle of line and horizontal plane on the sloping baffle of lower edge and lower floor between is less than the angle of repose of material.
The supply grid wall is made of two row intervals and symmetrically arranged bevel siding, and each column bevel siding is by along height to interval
The multilayer hang plate composition lateral openings of setting, by multiple along long to spaced strip connecting plate between each layer hang plate
Connection, the bottom natural of orlop hang plate form bottom opening；Hang plate is inclined from top in supply grid wall to outer lower side respectively
Tiltedly, the angle of hang plate and horizontal plane is more than the angle of repose of material；Along it in the hang plate lower edge on upper strata and the hang plate of lower floor
Between line and horizontal plane angle be less than material angle of repose.
A kind of air supply method based on the grid wall gas-supplying structure, outer loop gas enter from the air inlet below shaft furnace
Air supply chamber, the gas into air supply chamber enter linear type air passage via the linear type tunnel inlet in cone bucket, then through linear type wind
Road, ring-type air supply duct flow downward, and are entered by supplying lateral openings on grid wall and bottom opening inside cone bucket, for perpendicular
Material in stove is uniformly cooled down.
Compared with prior art, the beneficial effects of the invention are as follows：
1) center blast cap of the conventional arrangement above cross air passage is eliminated so that the material above cross air passage declines more
Add uniformly, the supply grid wall for being supplied to cone bucket is arranged at linear type air passage or the lower section of ring-type air supply duct, does not increase pair
The obstruction of material and interference in shaft furnace, are conducive to the even drop down of material and uniformly cooling；
2) enter the gas of linear type air passage and ring-type air supply duct, be downwardly into after supply grid wall be directly entered it is material bed,
Reduce the resistance inside gas-supplying structure, the energy consumption of residual neat recovering system can be reduced；
3) it is perpendicular finally by supply grid wall infeed to supply guiding of the indoor gas by linear type air passage, ring-type air supply duct
Stove, form gas multiple spot circumferentially feed and along height to multilayer feed, make the distribution of gas in cone bucket more uniform, have
Beneficial to the uniform production efficiency for cooling down, improving shaft furnace of material.
Brief description of the drawings
Fig. 1 is a kind of facade central cross-sectional view of the grid wall gas-supplying structure of vertical waste-heat recovery device of the present invention.
Fig. 2 is the A-A views in Fig. 1.
Fig. 3 is the B-B views in Fig. 2.
Fig. 4 is the D-D views in Fig. 2.
Fig. 5 is the C-C views in Fig. 2.
In figure：1. 5. linear type air passage of shaft furnace housing 2. cone bucket, 3. air inlet, 4. air supply chamber, 6. ring-type air supply duct 7.
Supply grid wall 8. erects 9. sloping baffle of siding, 10. hang plate, 11. strip connecting plate
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
As shown in Figure 1 and Figure 2, the grid wall gas-supplying structure of a kind of vertical waste-heat recovery device of the present invention, including shaft furnace shell
Body 1, cone bucket 2, air supply chamber 4, linear type air passage 5, ring-type air supply duct 6 and supply grid wall 7, the cone bucket 2 is same to be located in shaft furnace shell
The bottom of body 1, shaft furnace housing 1 and cone bucket 2 surround the air supply chamber 4 to form closing, air supply chamber 4 opened up in 1 side of shaft furnace housing into
Air port 3；Linear type air passage 5 is horizontally placed on 2 top of cone bucket and runs through cone bucket 2 along 2 central cross of cone bucket；Ring-type air supply duct 6 with
Linear type air passage 5 is set in the same plane, and 6 center of ring-type air supply duct is overlapped with 2 center of cone bucket；6 and one word of ring-type air supply duct
Shape air passage 5 is interconnected in infall；The underface in linear type air passage 5 and ring-type air supply duct 6 in cone bucket 2 sets supply grid wall
7, the top of supply grid wall 7 is connected with the linear type air passage 5 of corresponding position or ring-type air supply duct 6.
The linear type air passage 5 (as shown in Fig. 2, Fig. 5) is multiple, multiple edges in same level of linear type air passage 5
Circumferential uniformly distributed, infall is interconnected.
The ring-type air supply duct 6 is one or more, when ring-type air supply duct 6 is multiple, each 6 concentric uniform of ring-type air supply duct
Arrangement.
As shown in figure 3, the supply grid wall 7 is made of the perpendicular siding 8 that two row are arranged in parallel, the bottom of supply grid wall 7 is set
Level board or clapboard, and offer bottom opening on level board or clapboard；Both sides erect siding 8 along height to set several sides
To opening, the tops of lateral openings sets sloping baffle 9 respectively, and the angle of sloping baffle 9 and horizontal plane is more than the angle of repose of material；
The angle (the angle α in Fig. 3) of line and horizontal plane in 9 lower edge of sloping baffle on upper strata and the sloping baffle 9 of lower floor between
Less than the angle of repose of material.
As shown in figure 4, the supply grid wall 7 is made of two row intervals and symmetrically arranged bevel siding, each column bevel siding is equal
From forming lateral openings along height to spaced multilayer hang plate 10, by multiple along long to interval between each layer hang plate 10
The strip connecting plate 11 of setting connects, and the bottom natural of orlop hang plate 10 forms bottom opening；Hang plate 10 is respectively by supplying
The angle of the outside inclined downward in top in gas grid wall 7, hang plate 10 and horizontal plane is more than the angle of repose of material；The hang plate on upper strata
The angle (the angle α in Fig. 4) of line and horizontal plane on the hang plate 10 of 10 lower edges and lower floor between is less than resting in peace for material
Angle.
A kind of air supply method based on the grid wall gas-supplying structure, outer loop gas from the air inlet 3 below shaft furnace into
Entering air supply chamber 4, the gas into air supply chamber 4 enters linear type air passage 5 via the linear type tunnel inlet in cone bucket 2, then through one
Font air passage 5, ring-type air supply duct 6 flow downward, and are entered by supplying lateral openings on grid wall 7 and bottom opening in cone bucket 2
Portion, for uniformly being cooled down to the material in shaft furnace.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
- A kind of 1. grid wall gas-supplying structure of vertical waste-heat recovery device, it is characterised in that including shaft furnace housing, cone bucket, air supply chamber, Linear type air passage, ring-type air supply duct and supply grid wall, the cone bucket is the same as the bottom for being located in shaft furnace housing, shaft furnace housing and cone bucket The air supply chamber to form closing is surrounded, air supply chamber opens up air inlet in shaft furnace housing side；Linear type air passage is horizontally placed on cone bucket Cone bucket is simultaneously run through in top along cone bucket central cross；Ring-type air supply duct is set in the same plane with linear type air passage, ring-type supply Road center is overlapped with cone bucket center；Ring-type air supply duct is interconnected with linear type air passage in infall；Linear type wind in cone bucket The underface of road and ring-type air supply duct sets supply grid wall, supplies top and the linear type air passage of corresponding position or the ring-type of grid wall Air supply duct connects.
- 2. the grid wall gas-supplying structure of a kind of vertical waste-heat recovery device according to claim 1, it is characterised in that described one Font air passage is multiple, and multiple linear type air passages are evenly distributed in same level, and infall is interconnected.
- A kind of 3. grid wall gas-supplying structure of vertical waste-heat recovery device according to claim 1, it is characterised in that the ring Shape air supply duct is one or more, when ring-type air supply duct is multiple, each ring-type air supply duct concentric uniform arrangement.
- A kind of 4. grid wall gas-supplying structure of vertical waste-heat recovery device according to claim 1, it is characterised in that the confession Gas grid wall is made of the perpendicular siding that two row are arranged in parallel, and the bottom of supply grid wall sets level board or clapboard, and level board or wedge Bottom opening is offered on shape plate；Siding is erected along high to several lateral openings are set in both sides, and the top of lateral openings is set respectively The angle of sloping baffle, sloping baffle and horizontal plane is more than the angle of repose of material；The sloping baffle lower edge on upper strata and inclining for lower floor The angle of line and horizontal plane on slanting baffle between is less than the angle of repose of material.
- A kind of 5. grid wall gas-supplying structure of vertical waste-heat recovery device according to claim 1, it is characterised in that the confession Gas grid wall is made of two row intervals and symmetrically arranged bevel siding, and each column bevel siding is tilted by along height to spaced multilayer Plate forms lateral openings, is connected between each layer hang plate by multiple along long to spaced strip connecting plate, orlop inclines The bottom natural of inclined plate forms bottom opening；Hang plate is respectively by the outside inclined downward in top, hang plate and water in supply grid wall The angle of plane is more than the angle of repose of material；Line and level in the hang plate lower edge on upper strata and the hang plate of lower floor between The angle in face is less than the angle of repose of material.
- 6. a kind of air supply method based on grid wall gas-supplying structure described in claim 1, it is characterised in that outer loop gas is certainly perpendicular Air inlet below stove enters air supply chamber, and the gas into air supply chamber enters linear type via the linear type tunnel inlet in cone bucket Air passage, then flow downward through linear type air passage, ring-type air supply duct, by supplying lateral openings and bottom opening entrance on grid wall Inside cone bucket, for uniformly being cooled down to the material in shaft furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348693.3A CN107906947A (en) | 2017-12-15 | 2017-12-15 | The grid wall gas-supplying structure and air supply method of a kind of vertical waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348693.3A CN107906947A (en) | 2017-12-15 | 2017-12-15 | The grid wall gas-supplying structure and air supply method of a kind of vertical waste-heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107906947A true CN107906947A (en) | 2018-04-13 |
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|---|---|---|---|
| CN201711348693.3A Pending CN107906947A (en) | 2017-12-15 | 2017-12-15 | The grid wall gas-supplying structure and air supply method of a kind of vertical waste-heat recovery device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11302009A (en) * | 1998-04-22 | 1999-11-02 | Ishikawajima Harima Heavy Ind Co Ltd | Graphitization electric furnace |
| CN102121789A (en) * | 2011-01-13 | 2011-07-13 | 陈久斌 | Smelting furnace |
| CN203550620U (en) * | 2013-10-28 | 2014-04-16 | 中冶东方工程技术有限公司秦皇岛研究设计院 | Air distributor for vertical cooling furnace and vertical cooling furnace |
| JP2017036359A (en) * | 2015-08-06 | 2017-02-16 | 株式会社Ihi | Coke dry quenching equipment |
| CN107058666A (en) * | 2017-06-30 | 2017-08-18 | 江苏省冶金设计院有限公司 | A kind of cooling gas system for shaft furnace cooling section |
| CN207741538U (en) * | 2017-12-15 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | A kind of grid wall gas-supplying structure of vertical waste-heat recovery device |
-
2017
- 2017-12-15 CN CN201711348693.3A patent/CN107906947A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11302009A (en) * | 1998-04-22 | 1999-11-02 | Ishikawajima Harima Heavy Ind Co Ltd | Graphitization electric furnace |
| CN102121789A (en) * | 2011-01-13 | 2011-07-13 | 陈久斌 | Smelting furnace |
| CN203550620U (en) * | 2013-10-28 | 2014-04-16 | 中冶东方工程技术有限公司秦皇岛研究设计院 | Air distributor for vertical cooling furnace and vertical cooling furnace |
| JP2017036359A (en) * | 2015-08-06 | 2017-02-16 | 株式会社Ihi | Coke dry quenching equipment |
| CN107058666A (en) * | 2017-06-30 | 2017-08-18 | 江苏省冶金设计院有限公司 | A kind of cooling gas system for shaft furnace cooling section |
| CN207741538U (en) * | 2017-12-15 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | A kind of grid wall gas-supplying structure of vertical waste-heat recovery device |
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